// Dependencies
import ConnectyCube from 'react-native-connectycube';

// Dto
import { Session, UserCredentials } from './dto/authentication';
import { AppCredentials, AppConfig } from './dto/app';

// Helpers
import * as authHelper from './authHelper';

/**
 * Service to manage authentication in the chat app.
 * @class Auth
 * @author Daniel Mejia
 */
export class Auth {
  async validateSession(): Promise<Session | undefined> {
    const localCredentials = await authHelper.getLocalCredentials();

    if (localCredentials) {
      const { login, password } = localCredentials;
      return this.signIn({ login, password });
    }

    return undefined;
  }

  signIn = async (userCredentials: UserCredentials): Promise<Session> => {
    const session = await ConnectyCube.createSession(userCredentials);
    authHelper.persistCredentials(userCredentials);
    return session;
  }

  signOut = async (): Promise<void> => {
    await authHelper.removeCredentials();
    await ConnectyCube.logout();
  }
}

export default Auth;